Fisherman Catches Huge Fish, But Then He Discovers What’s In Its Mouth

Sonar

It was a small sonar tracking device that could perfectly show them the entire underwater layout of the lake. It uses vibrations to pinpoint every anomaly found in these vast waters. Normally it is used to locate swimming patterns of large fish, so fishermen like himself could start their doodle fishing journey in the right spot. But today it was going to help them in their diamond investigation.